MY107469A - Process for recovering tin from a waste liquid containing tin recovered from printed circuit boards - Google Patents

Process for recovering tin from a waste liquid containing tin recovered from printed circuit boards

Info

Publication number
MY107469A
MY107469A MYPI91002118A MYPI19912118A MY107469A MY 107469 A MY107469 A MY 107469A MY PI91002118 A MYPI91002118 A MY PI91002118A MY PI19912118 A MYPI19912118 A MY PI19912118A MY 107469 A MY107469 A MY 107469A
Authority
MY
Malaysia
Prior art keywords
tin
waste liquid
liquid containing
filtrate
recovered
Prior art date
Application number
MYPI91002118A
Inventor
Jye Chen Chung
Original Assignee
Compeq Mfg Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Compeq Mfg Co Ltd filed Critical Compeq Mfg Co Ltd
Priority to MYPI91002118A priority Critical patent/MY107469A/en
Publication of MY107469A publication Critical patent/MY107469A/en

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Landscapes

  • Manufacture And Refinement Of Metals (AREA)
  • Removal Of Specific Substances (AREA)

Abstract

A PROCESS FOR RECOVERING TIN FROM A WASTE LIQUID CONTAINING RECOVERED TIN INCLUDING THE STEPS OF (A) REDUCING AN OXIDIZER IN THE WASTE LIQUID BY ADDING A REDUCER, OR BY HEATING THE WASTE LIQUID, (B) PRECIPITATING OUT METAL IONS OTHER THAN THOSE OF TIN AND FILTRATING THE RESULTED LIQUID INTO FILTRATE AND PRECIPITATES, (C) REMOVING FLUORINE IONS FROM THE FILTRATE BY ADDING A LIQUID CONTAINING ALUMINIUM, IONS, (D) REPLACING THE TIN IONS CONTAINED IN THE FILTRATE AND FILTRATING THE RESULTANT SOLUTION INTO FILTRATE AND TIN POWDER OR GRANULES, (E) REFINING THE OBTAINED TIN POWDER OR GRANULESS BY SMELTING.
MYPI91002118A 1991-11-15 1991-11-15 Process for recovering tin from a waste liquid containing tin recovered from printed circuit boards MY107469A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MYPI91002118A MY107469A (en) 1991-11-15 1991-11-15 Process for recovering tin from a waste liquid containing tin recovered from printed circuit boards

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MYPI91002118A MY107469A (en) 1991-11-15 1991-11-15 Process for recovering tin from a waste liquid containing tin recovered from printed circuit boards

Publications (1)

Publication Number Publication Date
MY107469A true MY107469A (en) 1995-12-30

Family

ID=79961233

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI91002118A MY107469A (en) 1991-11-15 1991-11-15 Process for recovering tin from a waste liquid containing tin recovered from printed circuit boards

Country Status (1)

Country Link
MY (1) MY107469A (en)

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